1.
Tech A says an atom with more electrons than protons has an overall positive charge. Tech B says not all atoms can give up or accept electrons easily. Who is correct?
A. 
B. 
C. 
D. 
2.
What materials make a good insulator?
A. 
B. 
C. 
D. 
3.
Tech A says a resistor is a component designed to extract energy from the current flow. Tech B says he uses a voltmeter to check for a voltage drop. Who is correct?
A. 
B. 
C. 
D. 
4.
Tech A says you must have power supply for a simple circuit to work. Tech B says a switch will interrupt. Who is correct?
A. 
B. 
C. 
D. 
5.
Volts, amps, and ohms are the three basic units of electrical measurement.
6.
Tech A says AC stands for alternating voltage. Tech B says DC is used in electric motors on most hybrid vehicles. Who is correct?
A. 
B. 
C. 
D. 
7.
Tech A says an alternator has to have a transformer and a rectifier is used to produce DC volts. Tech B says you can run an AC motor on DC volts. Who is correct?
A. 
B. 
C. 
D. 
8.
Tech A says when you ground a circuit, you hook it back to the positive side of the battery. Tech B says some manufactures use the chassis as a return path to the battery. Who is correct?
A. 
B. 
C. 
D. 
9.
Tech A says high resistance causes an increase in current flow. Tech B says a voltage drop is another name for high resistance. Who is correct?
A. 
B. 
C. 
D. 
10.
Electrochemical energy is produced when:
A. 
The sun shines on photocells.
B. 
C. 
When two dissimilar metals are heated.
D. 
Two dissimilar metals are immersed in an acidic liquid.
11.
Ohm's law tells us that it takes 1 volt to push 1 amp through how many ohms?
A. 
B. 
C. 
D. 
12.
In calculating ohm's law:
A. 
B. 
C. 
D. 
13.
You have a 4 ohm resister and the battery is charged to 12 volts. How many amps will flow in the circuit?
A. 
B. 
C. 
D. 
14.
How many paths are there in a series circuit?
A. 
B. 
C. 
D. 
15.
Tech A says parallel circuits are like links in a chain. Tech B says total current in a parallel circuit equals the sum of the current flowing in each branch of the circuit. Who is correct?
A. 
B. 
C. 
D. 
16.
Tech A says in a parallel circuit, the more branches that are added, the more current flow increases. Tech B says a series-parallel circuit is made of parallel circuits only. Who is correct?
A. 
B. 
C. 
D. 
17.
A switch is used to:
A. 
B. 
Allow current to flow only one way.
C. 
D. 
Turn current flow on and off.
18.
Tech A says relays are turned on and off by a small amount of current. Tech B says there are two types of relays: normally closed (NC) and normally open (NO) types. Who is correct?
A. 
B. 
C. 
D. 
19.
Tech A says a solenoid is not used on modern automobiles. Tech B says fuel injectors and starter motor solenoids are two of many solenoids used on modern automobiles. Who is correct?
A. 
B. 
C. 
D. 
20.
What are the three types of resistors?
A. 
Rheostats, potentiometers, thermistors
B. 
Fixed, fluid, thermistors
C. 
D. 
Thermistors, negative temperature coefficient (NTC) thermistor resistance, positive temperature coefficient (PTC) thermistor resistance
21.
Tech A says wire size is very important. Tech B says there are two scales used to measure wire size. Who is correct?
A. 
B. 
C. 
D. 
22.
Tech A says copper has a low resistance. Tech B says the length of wire doesn't affect resistance. Who is correct?
A. 
B. 
C. 
D. 
23.
Tech A says fiber optic cables are more expensive and very heavy. Tech B says fiber optics can only carry very little data. Who is correct?
A. 
B. 
C. 
D. 
24.
Controlled area network bus (CAN-bus) systems carry:
A. 
B. 
C. 
D. 
Info for the cruise control.
25.
Controlled area network bus (CAN-bus) systems should be checked using a(n):
A. 
B. 
C. 
D.